/// <summary>
/// 教师发起签到
/// </summary>
/// <param name="TeaNo">教工编号</param>
/// <param name="CourseNo">课程编号</param>
/// <returns></returns>
public ActionResult InitiatedCheckIn(string TeaNo, string CourseNo)
{
if (TeaNo == null || CourseNo == null)
{
return(null);
}
using (var tran = AttendanceService.dal.dbContext.Database.BeginTransaction())
{
AttendanceResult result = AttendanceService.InitiatedAttendance(TeaNo, CourseNo);
try
{
if (result.ResultCode == ResultCode.Ok)
{
string HostIP = IPUtils.GetHostAddresse();
string data = $"http://{HostIP}:8080/api/Attendance/StudentCheckIn?AttendanceId={result.AttendanceId}&CourseNo={CourseNo}&StuNo=";
byte[] bytes = QRCodeHelper.GetQRCode(data);
var room = RoomService.GetEntity(u => u.F_EnCode == result.RoomNo).FirstOrDefault();
string mac = room?.F_ComputeMac;
string connectionId = Cache.GetCache <string>(mac);
GlobalHost.ConnectionManager.GetHubContext <QRCodeHub>().Clients.Client(connectionId)
.ReciverImg(bytes);
tran.Commit();
}
}
catch (Exception exception)
{
ExceptionHelper.AddException(exception);
result.ResultCode = ResultCode.Error;
result.Message = "教室网页已断开连接";
result.AttendanceId = null;
tran.Rollback();
}
return(Json(result, JsonRequestBehavior.AllowGet));
}
}